Operating device



FIG. 1 is a perspective view from the front and top of an operating device showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a left side view thereof.

The broken lines are for illustrative purpose only and form no part the claimed design. 

CLAIM The ornamental design for an operating device, as shown and described. 